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| Criterion |  Operations Getting Things Done |  Operations ALPEN Method |  Facilitation Nominal Group Technique |  Operations Ivy Lee Method |
|---|---|---|---|---|
Purposedifferent | With many open commitments and ideas in daily life, a reliable external storage system emerges. The method relieves the mind so priority and context don't have to compete in memory. | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | When loud voices could dominate a round, Nominal Group Technique protects individual thinking time from group effects. It collects ideas separately first and only then enables shared weighting. | With a restless workday full of too many open items, the method creates radical simplicity. It directs attention to a short sequence instead of a broad, still-open field. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 1-2 h Setup, laufend | 10-20 min daily | 60-120 min | 5-10 min daily |
Participantsdifferent | 1 | 1 | 5-12 | 1 |
Formatdifferent | Async | Async | Workshop | Async |
Outputdifferent | Action Lists, Project List, Review Routine | Daily Plan, Time Estimates, Review Notes | Ranked Ideas, Clarified Options, Group Priority | Daily Priority List, Completion Notes |
Tagsno overlap | ProductivityPlanningTasksExecution | PlanningTime managementProductivityOperations | FacilitationPrioritizationVotingInclusion | PrioritizationProductivityExecution |